import axios from 'axios'
import { MessageBox, Message } from 'element-ui'
import store from '@/store'
import { getToken } from '@/utils/auth'
import router from "@/router";

// create an axios instance
const service = axios.create({
  baseURL: 'http://127.0.0.1:8083', // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 5000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    // let token = localStorage.getItem("token");
    // console.log(token)
    if (localStorage.getItem("token")) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      // 将token放入请求头
      config.headers['Authorization'] = localStorage.getItem("token")
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response
    // if the custom code is not 20000, it is judged as an error.
    if (res.status !== 200) {
      Message({
        message: res.data.msg || 'Error',
        type: 'error',
        duration: 5 * 1000
      })

      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      // if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
      //   // to re-login
      //   MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
      //     confirmButtonText: 'Re-Login',
      //     cancelButtonText: 'Cancel',
      //     type: 'warning'
      //   }).then(() => {
      //     store.dispatch('user/resetToken').then(() => {
      //       location.reload()
      //     })
      //   })
      // }
      return Promise.reject(new Error(res.data.msg || 'Error'))
    } else {
      if (res.data.code === 401) {
        Message({
          message: res.data.msg || 'Error',
          type: 'error',
          duration: 5 * 1000
        })
        store.commit('user/REMOVE_TOKEN') //token
        router.replace("/")
        store.commit('menu/REMOVE_ROUTER') //菜单
        store.commit('menu/REMOVE_AUTHORIZATION') //权限
        store.commit('user/REMOVE_USER_INFO')
      }
      //简单处理相应成功，但是业务逻辑错误提示信息
      if(res.data.code !== 200) {
        Message({
          message: res.data.msg || 'Error',
          type: 'error',
          duration: 5 * 1000
        })
      }
      return res.data
    }
  },
  error => {
    if (error.status == 504 || error.status == 404) {
      Message({
        message: '服务器被吃了o(╯□╰)o',
        type: 'error',
        duration: 5 * 1000
      })
    } else {
      Message({
        message: error.message || 'Error',
        type: 'error',
        duration: 5 * 1000
      })
    }
    return Promise.reject(error)
  }
)

export default service
